Cigarette smoke activates the parthanatos pathway of cell death in human bronchial epithelial cells Cell Death Discovery Comparison of the in vivo genotoxicity of electronic and conventional cigarettes aerosols after subacute, subchronic and chronic exposures. ScienceDirect Vaping shows comparable DNA damage in oral cells to smoking E cigarettes potentially as harmful as tobacco cigarettes, study shows PLANET VAPE E liquides Caramel Taklope